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[IMP] stock: performance on _compute_product_availability

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Improve performance (*3) on _compute_product_availability
`mapped` makes use of orm prefetch, which is inefficient in this use
case when facing high volume.

closes odoo/odoo#30545
This commit is contained in:
Laurent Mignon (ACSONE)
2019-02-26 08:32:50 +00:00
parent 1c5c762f3c
commit 28f33dc150
1 changed files with 2 additions and 2 deletions
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addons/stock/models/stock_move.py
+2 -2
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@@ -193,8 +193,8 @@ class StockMove(models.Model):
if self.state == 'done':
self.availability = self.product_qty
else:
quants = self.env['stock.quant'].search([('location_id', 'child_of', self.location_id.id), ('product_id', '=', self.product_id.id), ('reservation_id', '=', False)])
self.availability = min(self.product_qty, sum(quants.mapped('qty')))
qty_tot = self.env['stock.quant'].read_group([('location_id', 'child_of', self.location_id.id), ('product_id', '=', self.product_id.id), ('reservation_id', '=', False)], ['qty'], [])[0]
self.availability = min(self.product_qty, qty_tot['qty'] or 0)
@api.multi
def _compute_string_qty_information(self):